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Swift-XRT spectra of GRB 091102

Last updated after receiving ObsID 00374598001, version 16.

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Time-averaged spectrum (T0 + 988 to 87901 s)

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PC mode spectrum of GRB 091102

PC mode. Mean photon arrival: T0+6865 s

N_H (Galactic)	1.1 × 10²¹ cm^-2
N_H (intrinsic)	4.6 (+6.9, -4.3) × 10²¹ cm^-2
z of absorber	0
Photon index	3.4 (+1.9, -1.4)
Flux (0.3-10 keV) (Observed)	1.86 (+1.70, -0.69) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.44 (+1.62, -0.67) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	2.6 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	2.0 × 10^-10 erg cm^-2 ct^-1
C-stat (dof)	43.95 (43)
Exposure time	7.6 ks

Late Time spectrum (T0 + 6901 to 87901 s)

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PC mode spectrum of GRB 091102

PC mode. Mean photon arrival: T0+19078 s

N_H (Galactic)	1.1 × 10²¹ cm^-2
N_H (intrinsic)	4.2 (+5.0, -4.2) × 10²¹ cm^-2
z of absorber	0
Photon index	5.1 (+3.9, -2.3)
Flux (0.3-10 keV) (Observed)	3.1 (+2.7, -1.7) × 10^-14 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.41 (1.00 × 10¹², -0.81) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	1.8 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.3 × 10^-10 erg cm^-2 ct^-1
C-stat (dof)	15.43 (12)
Exposure time	7.5 ks